Closed Issue: Cannot save the file 2nd time after deleting the rows [8263]

Hi
If we run this project 2nd time it hangs near the Save()
Please change the location of the data in the app.config file and run it.
 
Thanking you
Comments: Please try the latest version of ClosedXML (v0.87.1 at this stage). If you still experience the issue, log it on the new GitHub page.